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    SubjectRe: [PATCH] Don't hang user processes if Kerberos ticket for nfs4 mount expires
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    On Fri, 2011-11-18 at 12:54 -0500, Jim Rees wrote: 
    > Myklebust, Trond wrote:
    >
    > So what are they supposed to do without tickets? Crash?
    >
    > No, why would they want to do that?
    >
    > I feel like I've entered the Twilight Zone here, so please continue without
    > me while I dig up the relevant background info.

    The point is that if the server won't allow them to issue read or write
    system calls, then there are 2 options available to them:

    1. hang until someone renews their ticket
    2. get an error which means crash, since most (all?) applications
    aren't written according to the non-posix assumption that read
    and write can return EACCES/EKEYEXPIRED errors.



    Trond

    --
    Trond Myklebust
    Linux NFS client maintainer

    NetApp
    Trond.Myklebust@netapp.com
    www.netapp.com



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